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| Model | UKM30-400S | UKM30-400S | UKM30-630S | UKM30-630S | UKM30-800S |
| Frame size rated current Inm (A) | 400 | 400 | 630 | 630 | 800 |
| Poles | 3P | 4P | 3P | 4P | 3P |
| Rated current In (A) | 250，300，350，400 | 250，300，350，400 | 400，500，630 | 400，500，630 | 630，700，800 |
| Arcing distance | ≤100 (0″) | ≤100 (0″) | ≤100 (0″) | ≤100 (0″) | ≤100 (0″) |
| Rated insulation voltage Ui (V) | AC690 | AC690 | AC690 | AC690 | AC690 |
| Rated ultimate short-circuit breaking capacity Icu (kA) AC400V |
70/70 | 70/70 | 70/70 | 70/70 | 70/70 |
| Operational performance (times) ON |
1000 | 1000 | 500 | 500 | 500 |
| Operational performance (times) OFF |
4000 | 4000 | 2500 | 2500 | 2500 |
| Available accessories | Undervoltage trip, auxiliary contact, alarm contact, shunt trip, motorized operating mechanism, rotary handle | Undervoltage trip, auxiliary contact, alarm contact, shunt trip, motorized operating mechanism, rotary handle | Undervoltage trip, auxiliary contact, alarm contact, shunt trip, motorized operating mechanism, rotary handle | Undervoltage trip, auxiliary contact, alarm contact, shunt trip, motorized operating mechanism, rotary handle | Undervoltage trip, auxiliary contact, alarm contact, shunt trip, motorized operating mechanism, rotary handle |
UKM30-630S 4 Pole 630A MCCB Moulded Case Circuit Breaker CE Certified
UKM30 Series Plastic Case Circuit Breakers represent cutting-edge technology designed for the 21st century.
These breakers feature advanced engineering and high-performance specifications, with a compact and aesthetically pleasing design.
Select models incorporate microelectronic technology, delivering intelligent control capabilities.
Compliant with GB/T 14048.2 “Low-voltage switchgear and controlgear – Low-voltage circuit breakers” and IEC 60947-2 “Low-voltage switchgear and controlgear – Part 2: Circuit-breakers” standards.
Free Quote NowKey Features
- Rated for voltages up to 690V and currents up to 1600A in 50Hz AC systems.
- Delivers reliable protection against overload, short-circuit, and under-voltage faults.
- Select models feature intelligent control with advanced microelectronics technology.
- Compact and aesthetically pleasing design to save valuable panel space.
- Built for harsh conditions, rated for Pollution Degree 3 and Installation Category III.
- Wide operating temperature range from -5°C to +40°C, suitable for altitudes up to 2000m.
- Clear power source (1,3,5,N1) and load (2,4,6,N2) terminal markings prevent incorrect wiring.
Application
- Protects industrial power systems from electrical faults like overloads and short-circuits.
- Controls the infrequent starting and stopping of motors in various applications.
- Provides reliable circuit protection for commercial and industrial distribution systems.
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